Multiple Choice
A physical therapist is interested in whether people with different bone structures will be affected differently by her new therapy program.She randomly chooses two groups of patients based on bone type: small-boned frame (XS) and large-boned frame (XL) .Patients all had similar injuries.She measures the number of days each person takes to progress to a predetermined point.Here is the data: 
What is the observed value of the independent groups t test?
A) -0.61
B) -1.23
C) -1.56
D) -1.77
Correct Answer:
Verified
Correct Answer:
Verified
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